docs: def view_mean_disagg(token, dstore):
      """
      Display mean quantities for the disaggregation. Useful for checking
      differences between two calculations.
      """
      tbl = []
      for key, dset in sorted(dstore['disagg'].items()):
          vals = [ds.value.mean() for k, ds in sorted(dset.items())]
          tbl.append([key] + vals)
      header = ['key'] + sorted(dset)
      return rst_table(sorted(tbl), header=header)